Page 294 - Gas Purification 5E
P. 294
Chapter 4
Removal and Use of
Ammonia in Gas
Purification
INTRODUCTION, 279
Types of Coal Gas, 279
Sources of Ammonia, 280
Coal Gas impurities, 281
Sources of Sour Water, 282
BASIC DATA, 283
REMOVAL OF AMMONIA FROM GASES, 292
Types of Processes, 296
Water Scrubbing, 297
Sour Water Stripping Process, 302
Ammonium Salt Production, 308
Phosam and Phosam-W Processes, 31 1
Chevron WWT Process, 314
USE OF AMMONIA TO REMOVE ACID GASES, 31 8
Basic Chemistry, 31 9
Process Descriptions, 321
Design and Operation, 326
REFERENCES, 326
